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ARM: dts: stm32: Add Ethernet support on stm32h7 SOC and activate it for eval and disco boards 

Synopsys GMAC 4.10 is used. And Phy mode for eval and disco is RMII
with PHY SMSC LAN8742

Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Christophe Roullier 2019-03-05 09:29:28 +01:00 committed by David S. Miller
parent 8356679990
commit 5473f1be53
4 changed files with 62 additions and 0 deletions
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15
arch/arm/boot/dts/stm32h743-pinctrl.dtsi
View File

@ -173,6 +173,21 @@
};
};
ethernet_rmii: rmii@0 {
pins {
pinmux = <STM32_PINMUX('G', 11, AF11)>,
<STM32_PINMUX('G', 13, AF11)>,
<STM32_PINMUX('G', 12, AF11)>,
<STM32_PINMUX('C', 4, AF11)>,
<STM32_PINMUX('C', 5, AF11)>,
<STM32_PINMUX('A', 7, AF11)>,
<STM32_PINMUX('C', 1, AF11)>,
<STM32_PINMUX('A', 2, AF11)>,
<STM32_PINMUX('A', 1, AF11)>;
slew-rate = <2>;
};
};
usart1_pins: usart1@0 {
pins1 {
pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */

13
arch/arm/boot/dts/stm32h743.dtsi
View File

@ -511,6 +511,19 @@
status = "disabled";
};
};
mac: ethernet@40028000 {
compatible = "st,stm32-dwmac", "snps,dwmac-4.10a";
reg = <0x40028000 0x8000>;
reg-names = "stmmaceth";
interrupts = <61>;
interrupt-names = "macirq";
clock-names = "stmmaceth", "mac-clk-tx", "mac-clk-rx";
clocks = <&rcc ETH1MAC_CK>, <&rcc ETH1TX_CK>, <&rcc ETH1RX_CK>;
st,syscon = <&syscfg 0x4>;
snps,pbl = <8>;
status = "disabled";
};
};
};

17
arch/arm/boot/dts/stm32h743i-disco.dts
View File

@ -66,6 +66,23 @@
clock-frequency = <25000000>;
};
&mac {
status = "disabled";
pinctrl-0 = <&ethernet_rmii>;
pinctrl-names = "default";
phy-mode = "rmii";
phy-handle = <&phy0>;
mdio0 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dwmac-mdio";
phy0: ethernet-phy@0 {
reg = <0>;
};
};
};
&usart2 {
pinctrl-0 = <&usart2_pins>;
pinctrl-names = "default";

17
arch/arm/boot/dts/stm32h743i-eval.dts
View File

@ -104,6 +104,23 @@
status = "okay";
};
&mac {
status = "disabled";
pinctrl-0 = <&ethernet_rmii>;
pinctrl-names = "default";
phy-mode = "rmii";
phy-handle = <&phy0>;
mdio0 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dwmac-mdio";
phy0: ethernet-phy@0 {
reg = <0>;
};
};
};
&usart1 {
pinctrl-0 = <&usart1_pins>;
pinctrl-names = "default";